Babip, Pecota, Vorp and Eckstein lay down the law

Last week's episode of the NBC sitcom Parks and Recreation featured a hilarious "Easter Egg" for stat-minded baseball fans: a sign for the fictitious Pawnee, Ind., law firm of Babip, Pecota, Vorp and Eckstein. If you're scoring at home, that's two Baseball Prospectus acronyms (Value Over Replacement Player and PECOTA, the projection system BP uses), the commonly cited stat for batting average on balls in play and the scrappy, undersized embodiment of that which can't be quantified in diminutive shortstop David Eckstein, the 2006 World Series MVP.

Just over a week after the sign aired on Parks, the MLB Fan Cave has teamed up with Eckstein himself to further the joke with a faux commercial for the firm. "Do you not understand the unwritten laws of baseball, because no one has written them down?" begins Eckstein, and . . . well, there's no need to give any of the other jokes away:

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